"If you see someone that is going through a rough time, be the person that makes a difference, give them a compliment and you could be the person that changes even, maybe their lives," he said.

The walkout comes after 17 students and staff were killed and more than a dozen were injured in a shooting in Parkland, Florida Feb. 14.

"I think this is their way of kind of trying to take back their safety in their building," said Principal Brad Clark. "And I think by doing it through acts of kindness, that's the best way we can do this."